Harman US

Rock, MI Weather & Growing Conditions

Today
81°F
Partly Sunny then Showers And Thunderstorms Likely
Showers and thunderstorms likely after 2pm. Partly sunny. High near 81, with temperatures falling to around 76 in the afternoon. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Partly Sunny then Showers And Thunderstorms Likely 5 to 10 mph SW 57%
Tonight 55°F Chance Showers And Thunderstorms 0 to 5 mph N 41%
Wednesday 78°F Mostly Sunny 0 to 5 mph NW 10%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph SE 4%
Thursday 81°F Sunny 0 to 10 mph SW 2%
Thursday Night 58°F Mostly Clear 5 to 10 mph S 2%
Friday 84°F Sunny 5 to 10 mph SW 13%
Friday Night 62°F Chance Showers And Thunderstorms 5 to 10 mph SW 35%
Saturday 83°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SW 37%
Saturday Night 59°F Chance Showers And Thunderstorms 0 to 5 mph S 42%
Sunday 82°F Chance Showers And Thunderstorms 0 to 10 mph W 42%
Sunday Night 56°F Chance Showers And Thunderstorms 0 to 10 mph N 40%
Monday 80°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 0 to 5 mph NW 23%
Monday Night 55°F Slight Chance Showers And Thunderstorms 0 to 5 mph N 27%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Rock, MI

Last spring frost
May 18
First fall frost
Oct 4
Growing season
137 days
Hardiness zone
5a

Explore more for Rock, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Rapid Rvr 4Sse, Mi (11.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.